Cr_(2)O_(7)^(2-) + I^(-) rarr I_(2)+Cr^(3+) E_(cell)^(@)=0.79V,E_(Cr_( – InterviewSolution

1.	Cr_(2)O_(7)^(2-) + I^(-) rarr I_(2)+Cr^(3+) E_(cell)^(@)=0.79V,E_(Cr_(2)O_(7)^(2-))^(@)=1.33V. Then E_(I_(2))^(@)=?
Answer» 0.54V `-0.54V` `+0.18V` `-0.18V` ANSWER :A

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